Question 1

Which disease is not typically treated with prostaglandin inhibitors?

Accepted Answer

A)  asthma 
B)  pain and inflammation 
C)  bronchitis 
D)  glaucoma 
E)  cancer 
A)  asthma 
B)  pain and inflammation 
C)  bronchitis 
D)  glaucoma 
E)  cancer

Question 2

Select the set of lipids commonly found in cell membranes.

Accepted Answer

A)  triacylglycerols, glycophospholipids, and cholesterol 
B)  triacylglycerols, glycerophospholipids.and cholesterol 
C)  cholesterol, glycophospholipids, and glycerophospholipids 
D)  triacylglycerols, glycophospholipids, and glycerophospholipids 
E)  fatty acids, triacylglycerols and glycerophospholipids 
A)  triacylglycerols, glycophospholipids, and cholesterol 
B)  triacylglycerols, glycerophospholipids.and cholesterol 
C)  cholesterol, glycophospholipids, and glycerophospholipids 
D)  triacylglycerols, glycophospholipids, and glycerophospholipids 
E)  fatty acids, triacylglycerols and glycerophospholipids

Question 3

What important role does sphingomyelin have in the body?

Accepted Answer

A)  It insulates nerve fibers in the brain. 
B)  It is important in energy storage. 
C)  It is a chemical messenger. 
D)  It is the primary component of the lipid bilayer for all cells. 
E)  It lines the stomach. 
A)  It insulates nerve fibers in the brain. 
B)  It is important in energy storage. 
C)  It is a chemical messenger. 
D)  It is the primary component of the lipid bilayer for all cells. 
E)  It lines the stomach.

Question 4

The component of a cell membrane shown below is a

Accepted Answer

A)  glycerophospholipid. 
B)  glycosphingolipid. 
C)  sphingomyelin. 
D)  triacylglycerol. 
E)  fatty acid. 
A)  glycerophospholipid. 
B)  glycosphingolipid. 
C)  sphingomyelin. 
D)  triacylglycerol. 
E)  fatty acid.

Question 5

Which of the following reactions illustrate the hydrolysis of triacylglycerols during digestion?

Accepted Answer

A)    
B)    
C)    
D)    
E)  All of the above can occur. 
A)    
B)    
C)    
D)    
E)  All of the above can occur.

Question 6

Which is the correct delta system numbers for arachidonic acid, CH3(CH2)4(CH=CHCH2)4(CH2)2CO2H?

Accepted Answer

A)  Δ5,8,11, 14 
B)  Δ5 
C)  Δ6 
D)  Δ6,9,13,16 
E)  Δ9,12 
A)  Δ5,8,11, 14 
B)  Δ5 
C)  Δ6 
D)  Δ6,9,13,16 
E)  Δ9,12

Question 7

What type of lipid is this molecule?

Accepted Answer

A)  This is a triacylglycerol. 
B)  This is a glycerophospholipid. 
C)  This is a glycosphingolipid. 
D)  This is a sphingomyelin. 
E)  This is an ethanolamine. 
A)  This is a triacylglycerol. 
B)  This is a glycerophospholipid. 
C)  This is a glycosphingolipid. 
D)  This is a sphingomyelin. 
E)  This is an ethanolamine.

Question 8

Both of these lipids are found in

Accepted Answer

A)  cell membranes. 
B)  mitochondria. 
C)  proteins. 
D)  steroids. 
E)  soap. 
A)  cell membranes. 
B)  mitochondria. 
C)  proteins. 
D)  steroids. 
E)  soap.

Question 9

Which of the fatty acids below is a solid at room temperature?

Accepted Answer

A)  stearic acid 
B)  stearic acid and palmitic acid 
C)  oleic acid, linoleic acid, and arachidonic acid 
D)  arachidonic acid 
E)  None of these are solids at room temperature. 
A)  stearic acid 
B)  stearic acid and palmitic acid 
C)  oleic acid, linoleic acid, and arachidonic acid 
D)  arachidonic acid 
E)  None of these are solids at room temperature.

Question 10

Which of the following is NOT a purpose of the cell membrane?

Accepted Answer

A)  to communicate with chemical messengers 
B)  to separate the contents of the cell from external fluids 
C)  to facilitate transport of nutrients and waste 
D)  to synthesize proteins 
E)  to protect the contents of the cell from undesirable chemicals 
A)  to communicate with chemical messengers 
B)  to separate the contents of the cell from external fluids 
C)  to facilitate transport of nutrients and waste 
D)  to synthesize proteins 
E)  to protect the contents of the cell from undesirable chemicals

Question 11

Which type of triacylglycerol is the healthiest to eat?

Accepted Answer

A)  monounsaturated 
B)  polyunsaturated 
C)  saturated 
D)  trans fats 
E)  All fats should be eliminated from the diet. 
A)  monounsaturated 
B)  polyunsaturated 
C)  saturated 
D)  trans fats 
E)  All fats should be eliminated from the diet.

Question 12

Why do unsaturated fatty acids have lower melting points than saturated fatty acids?

Accepted Answer

A)  Unsaturated fatty acids stack better than saturated fatty acids. 
B)  Saturated fatty acids stack better than unsaturated fatty acids. 
C)  Unsaturated fatty acids are larger than saturated fatty acids. 
D)  Saturated fatty acids are larger than unsaturated fatty acids. 
E)  Unsaturated fatty acids are more flexible than saturated fatty acids. 
A)  Unsaturated fatty acids stack better than saturated fatty acids. 
B)  Saturated fatty acids stack better than unsaturated fatty acids. 
C)  Unsaturated fatty acids are larger than saturated fatty acids. 
D)  Saturated fatty acids are larger than unsaturated fatty acids. 
E)  Unsaturated fatty acids are more flexible than saturated fatty acids.

Question 13

Which of the following is NOT a steroid?

Accepted Answer

A)  insulin 
B)  androgens 
C)  estrogens 
D)  cholesterol 
E)  testosterone 
A)  insulin 
B)  androgens 
C)  estrogens 
D)  cholesterol 
E)  testosterone

Question 14

An anabolic steroid functions by

Accepted Answer

A)  binding to the testosterone receptor. 
B)  initiating a biochemical pathway. 
C)  producing proteins. 
D)  making new muscles. 
E)  All of the above are correct. 
A)  binding to the testosterone receptor. 
B)  initiating a biochemical pathway. 
C)  producing proteins. 
D)  making new muscles. 
E)  All of the above are correct.

Question 15

The role of hormones in the body is to

Accepted Answer

A)  regulate body temperature. 
B)  serve as a chemical messenger. 
C)  store energy. 
D)  catalyze chemical reactions. 
E)  transport key molecules. 
A)  regulate body temperature. 
B)  serve as a chemical messenger. 
C)  store energy. 
D)  catalyze chemical reactions. 
E)  transport key molecules.

Question 16

Triacylglycerols are insoluble in water because they

Accepted Answer

A)  have extensive nonpolar hydrocarbon structures. 
B)  have polar carbonyl functional groups. 
C)  can hydrogen bond with water. 
D)  are esters. 
E)  are carboxylic acids. 
A)  have extensive nonpolar hydrocarbon structures. 
B)  have polar carbonyl functional groups. 
C)  can hydrogen bond with water. 
D)  are esters. 
E)  are carboxylic acids.

Question 17

Which of the following choices is the definition of amphipathic?

Accepted Answer

A)  It refers to a molecule that can be both oxidized and reduced. 
B)  It refers to a molecule that reacts with its environment. 
C)  It refers to a molecule that has two reactive sites. 
D)  It refers to a molecule that makes bubbles. 
E)  It refers to a molecule that has a polar and a nonpolar part. 
A)  It refers to a molecule that can be both oxidized and reduced. 
B)  It refers to a molecule that reacts with its environment. 
C)  It refers to a molecule that has two reactive sites. 
D)  It refers to a molecule that makes bubbles. 
E)  It refers to a molecule that has a polar and a nonpolar part.

Question 18

Which is the correct omega system numbers for arachidonic acid, CH3(CH2)4(CH=CHCH2)4(CH2)2CO2H?

Accepted Answer

A)  omega-5,8,11,15 
B)  omega-5 
C)  omega-3 
D)  omega-6 
E)  omega-6,9,13,16 
A)  omega-5,8,11,15 
B)  omega-5 
C)  omega-3 
D)  omega-6 
E)  omega-6,9,13,16

Question 19

The functional group that is circled is called a(n)

Accepted Answer

A)  ester. 
B)  ether. 
C)  carboxylic acid. 
D)  carbonyl. 
E)  ketone. 
A)  ester. 
B)  ether. 
C)  carboxylic acid. 
D)  carbonyl. 
E)  ketone.

Question 20

The molecule that facilitates transport through the cell is indicated by the letter____ in the following illustration of a cell membrane.

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  E 
A)  A 
B)  B 
C)  C 
D)  D 
E)  E

Which disease is not typically treated with prostaglandin inhibitors?

Select the set of lipids commonly found in cell membranes.

What important role does sphingomyelin have in the body?

The component of a cell membrane shown below is a

Which of the following reactions illustrate the hydrolysis of triacylglycerols during digestion?

Which is the correct delta system numbers for arachidonic acid, CH₃(CH₂)₄(CH=CHCH₂)₄(CH₂)₂CO₂H?

What type of lipid is this molecule?

Both of these lipids are found in

Which of the fatty acids below is a solid at room temperature?

Which of the following is NOT a purpose of the cell membrane?

Which type of triacylglycerol is the healthiest to eat?

Why do unsaturated fatty acids have lower melting points than saturated fatty acids?

Which of the following is NOT a steroid?

An anabolic steroid functions by

The role of hormones in the body is to

Triacylglycerols are insoluble in water because they

Which of the following choices is the definition of amphipathic?

Which is the correct omega system numbers for arachidonic acid, CH₃(CH₂)₄(CH=CHCH₂)₄(CH₂)₂CO₂H?

The functional group that is circled is called a(n)

The molecule that facilitates transport through the cell is indicated by the letter____ in the following illustration of a cell membrane.

Matter, Energy, and Measurement

Atomic Structure and Radioisotopes

Ionic and Covalent Compounds

Molecular Geometry, Polarity, and Intermolecular

Chemical Quantities and Introduction to Reactions

Chemical Reactions: Energy, Rates, and Equilibrium

Changes of State and Gas Laws

Mixtures, Solution Concentrations, and Diffusion

Acids and Bases, Ph, and Buffers

Introduction to Organic Chemistry:

Alcohols, Phenols, Thiols, Ethers, and Amines

The Carbonyl Containing Functional Groups

The Common Organic Reactions in Biochemistry

Carbohydrates: Structure and Function

Proteins: Structure and Function

Nucleotides and Nucleic Acids

Energy and Metabolism

Filters

Exam 15: Lipids: Structure and Function

Which disease is not typically treated with prostaglandin inhibitors?

Select the set of lipids commonly found in cell membranes.

What important role does sphingomyelin have in the body?

The component of a cell membrane shown below is a

Which of the following reactions illustrate the hydrolysis of triacylglycerols during digestion?

Which is the correct delta system numbers for arachidonic acid, CH3(CH2)4(CH=CHCH2)4(CH2)2CO2H?

What type of lipid is this molecule?

Both of these lipids are found in

Which of the fatty acids below is a solid at room temperature?

Which of the following is NOT a purpose of the cell membrane?

Which type of triacylglycerol is the healthiest to eat?

Why do unsaturated fatty acids have lower melting points than saturated fatty acids?

Which of the following is NOT a steroid?

An anabolic steroid functions by

The role of hormones in the body is to

Triacylglycerols are insoluble in water because they

Which of the following choices is the definition of amphipathic?

Which is the correct omega system numbers for arachidonic acid, CH3(CH2)4(CH=CHCH2)4(CH2)2CO2H?

The functional group that is circled is called a(n)

The molecule that facilitates transport through the cell is indicated by the letter____ in the following illustration of a cell membrane.

Matter, Energy, and Measurement

Atomic Structure and Radioisotopes

Ionic and Covalent Compounds

Molecular Geometry, Polarity, and Intermolecular

Chemical Quantities and Introduction to Reactions

Chemical Reactions: Energy, Rates, and Equilibrium

Changes of State and Gas Laws

Mixtures, Solution Concentrations, and Diffusion

Acids and Bases, Ph, and Buffers

Introduction to Organic Chemistry:

Alcohols, Phenols, Thiols, Ethers, and Amines

The Carbonyl Containing Functional Groups

The Common Organic Reactions in Biochemistry

Carbohydrates: Structure and Function

Proteins: Structure and Function

Nucleotides and Nucleic Acids

Energy and Metabolism

Filters

Which is the correct delta system numbers for arachidonic acid, CH₃(CH₂)₄(CH=CHCH₂)₄(CH₂)₂CO₂H?

Which is the correct omega system numbers for arachidonic acid, CH₃(CH₂)₄(CH=CHCH₂)₄(CH₂)₂CO₂H?